Home / 148,247.57-204,581.78-80,264.60

Finding the Fourth Proportional to 148,247.57, 204,581.78 and 80,264.60

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Solution

The fourth proportional to 148,247.57, 204,581.78 and 80,264.60 is: 110,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,247.57 : 204,581.78 = 80,264.60 : x
  2. Step 2: Convert to fraction form
    148,247.57/204,581.78 = 80,264.60/x
  3. Step 3: Cross multiply
    148,247.57x = 204,581.78 × 80,264.60
  4. Step 4: Simplify right side
    148,247.57x = 16,420,673,314.76
  5. Step 5: Solve for x
    x = 16,420,673,314.76/148,247.57
  6. Step 6: Final answer
    x = 110,765.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.